

#lanren #audio-btn{width: 44px;height: 44px;

  background-size: 100% 100%;}
#lanren .on{background: url('/images/music_on.png') no-repeat 0 0;
  -webkit-animation: rotating 3s linear infinite;animation: rotating 3s linear infinite;}
#lanren .off{background: url('/images/music_off.png') no-repeat 0 0;}
@-webkit-keyframes rotating {
  from{
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  to{
    -webkit-transform: rotate(360deg);
    -moz-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes rotating {
  from{
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  to{
    -webkit-transform: rotate(360deg);
    -moz-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}